312 PROCEEDINGS OF THE NATIONAL MUSEUM vol. no 



described as having tibiae 2 and 3 mucronate but the specimen seen 

 did not appear to have tibia 3 mucronate. 



Apion {Trichapion) caenum, new species 



Figure 8,c,d 



Description: Length, 1.92 mm.; width, 0.92 mm. 



Moderately robust. Black, antennae piceous, especially at base; 

 pubescence white, on dorsal surface fine, moderately sparse, under eye, 

 on sides of prothorax, mesothorax, and metathorax coarse, somewhat 

 denser. Beak of male shorter than head and prothorax combined, 

 slightly less than one-third longer than prothorax, moderately, 

 evenly curved; in lateral view attenuate from antennal insertion to 

 middle, apical half nearly parallel, in dorsal view slightly expanded 

 laterally at antennal insertion, attenuate to middle, slightly expanded 

 at tip; rather dull, alutaceous, scantily pubescent and sparsely, 

 shallowly punctate in basal two-thirds. Antennae inserted at basal 

 fourth of beak, at distance from eye equal to width of frons; first 

 segment equals next two, second segment equals next two, club 0.22 

 by 0.08 mm. Eyes prominent; frons slightly wider than dorsal tip 

 of beak. Prothorax at base one-sixth wider than long, middle nar- 

 rower than base, apex five-sevenths as wide as base; sides beyond 

 basal lateral expansion nearly parallel to middle, rounded to con- 

 stricted apex; in profile dorsal surface nearly flat; punctation moder- 

 ately deep, 0.03 mm. in diameter, interspaces slightly less than 

 diameter of punctures; basal fovea shallow, pimctiform. Elytra at 

 base three-sevenths wider than prothorax at base, 2.6 times as long as 

 prothorax, length to width as 14 : 11.5; intervals nearly flat, equsl to 

 two striae, general!}^ with one row of scales, in part with two rows; 

 striae deep, fine. ScuteUum elongate, triangular, 0.10 by 0.07 mm. 

 Front femora 2.9 times as long as wide. Claws armed with acute 

 basal tooth. 



Special male characters: Tibia 2 armed with fine mucrones, front 

 femora swollen. 



Female is unkno\vn. 



Types: Holotype male (USNM 63421), 20 miles east of Morelia, 

 Michoacan, Mexico, Mar. 7, 1953, D. G. Kissinger. One male 

 paratype, same data as holotype. 



Remarks: This species was taken on oak leaves. 



Apion {Trichapion) calcaratipes Sharp 



Figure S,g-i 



Apion calcaratipes Sharp, Biologia Centrali-Americana, Insecta, Coleoptera, 

 Curculionidae: Apioninae, vol. 4, pt. 3, p. 67. 



Description: Length, 2.06 mm. 



